Application: plasmashell (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 4.0.1-300.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
- What I was doing when the application crashed:
I just login and the crash report assistant popup.

F22 Beta. Plasma 5.3

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fac1fd97900 (LWP 1388))]

Thread 31 (Thread 0x7fabfec9d700 (LWP 1390)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac1e067182 in _xcb_conn_wait (__timeout=-1, __nfds=1, __fds=0x7fabfec9cbc0) at /usr/include/bits/poll2.h:46
#2  0x00007fac1e067182 in _xcb_conn_wait (c=c@entry=0x796e50, cond=cond@entry=0x796e90, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
#3  0x00007fac1e068cff in xcb_wait_for_event (c=0x796e50) at xcb_in.c:623
#4  0x00007fac011825e9 in QXcbEventReader::run() (this=0x7a50b0) at qxcbconnection.cpp:1108
#5  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x7a50b0) at thread/qthread_unix.cpp:337
#6  0x00007fac1668e555 in start_thread (arg=0x7fabfec9d700) at pthread_create.c:333
#7  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7fabfc8a3700 (LWP 1499)):
#0  0x00007ffe968e5a66 in clock_gettime ()
#1  0x00007fac17cc113d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fac18962656 in qt_gettime() (ts=0x7fabfc8a2a10, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  0x00007fac18962656 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  0x00007fac18962656 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007fac18adef79 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7fabf0002ed0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007fac18adf4e5 in QTimerInfoList::timerWait(timespec&) (this=0x7fabf0002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007fac18ae08ce in timerSourcePrepare(GSource*, gint*) (timeout=0x7fabfc8a2ae4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  0x00007fac18ae08ce in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=timeout@entry=0x7fabfc8a2ae4) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007fac12d9398d in g_main_context_prepare (context=context@entry=0x7fabf00009b0, priority=priority@entry=0x7fabfc8a2b70) at gmain.c:3410
#10 0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7fabf00009b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#11 0x00007fac12d944fc in g_main_context_iteration (context=0x7fabf00009b0, may_block=1) at gmain.c:3869
#12 0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabf00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabfc8a2ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fac188ad494 in QThread::exec() (this=this@entry=0x8d18d0) at thread/qthread.cpp:503
#15 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x8d18d0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x8d18d0) at thread/qthread_unix.cpp:337
#17 0x00007fac1668e555 in start_thread (arg=0x7fabfc8a3700) at pthread_create.c:333
#18 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7fabf4aac700 (LWP 1501)):
#0  0x00007fac12dd91f9 in g_mutex_lock (mutex=mutex@entry=0x7fabec000990) at gthread-posix.c:1336
#1  0x00007fac12d934d4 in g_main_context_release (context=0x7fabec000990) at gmain.c:3216
#2  0x00007fac12d943a6 in g_main_context_iterate (context=context@entry=0x7fabec000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3810
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabec000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabf4aabca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0xc58e80) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0xc58e80) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0xc58e80) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabf4aac700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7fabea5a1700 (LWP 1571)):
#0  0x00007fac12dd9214 in g_mutex_unlock (mutex=0x7fabdc000990) at gthread-posix.c:1348
#1  0x00007fac12d9430e in g_main_context_iterate (context=context@entry=0x7fabdc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3786
#2  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabdc000990, may_block=1) at gmain.c:3869
#3  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabea5a0ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fac188ad494 in QThread::exec() (this=this@entry=0xe7acc0) at thread/qthread.cpp:503
#6  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0xe7acc0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0xe7acc0) at thread/qthread_unix.cpp:337
#8  0x00007fac1668e555 in start_thread (arg=0x7fabea5a1700) at pthread_create.c:333
#9  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7fabe95a0700 (LWP 1573)):
#0  0x00007fac12d93a98 in g_main_context_prepare (context=context@entry=0x7fabe0000990, priority=priority@entry=0x7fabe959fb70) at gmain.c:3421
#1  0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7fabe0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#2  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabe0000990, may_block=1) at gmain.c:3869
#3  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabe00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabe959fca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fac188ad494 in QThread::exec() (this=this@entry=0xf6fb10) at thread/qthread.cpp:503
#6  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0xf6fb10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0xf6fb10) at thread/qthread_unix.cpp:337
#8  0x00007fac1668e555 in start_thread (arg=0x7fabe95a0700) at pthread_create.c:333
#9  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7fabdbfff700 (LWP 1574)):
#0  0x00007fac17ca3310 in read () at ../sysdeps/unix/syscall-template.S:83
#1  0x00007fac0fdf6f45 in  () at /usr/lib64/nvidia/tls/libnvidia-tls.so.346.59
#2  0x00007fac12dd7d90 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7fabdbffeaa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#3  0x00007fac12dd7d90 in g_wakeup_acknowledge (wakeup=0x7fabe0002360) at gwakeup.c:210
#4  0x00007fac12d93ee4 in g_main_context_check (context=context@entry=0x7fabd4000990, max_priority=2147483647, fds=fds@entry=0x7fabd4003270, n_fds=n_fds@entry=1) at gmain.c:3600
#5  0x00007fac12d94390 in g_main_context_iterate (context=context@entry=0x7fabd4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#6  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabd4000990, may_block=1) at gmain.c:3869
#7  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabd40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabdbffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x103ee10) at thread/qthread.cpp:503
#10 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x103ee10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x103ee10) at thread/qthread_unix.cpp:337
#12 0x00007fac1668e555 in start_thread (arg=0x7fabdbfff700) at pthread_create.c:333
#13 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7fabdaffe700 (LWP 1575)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fabcc002e70, timeout=<optimized out>, context=0x7fabcc000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fabcc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabcc000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabdaffdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x1167bc0) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x1167bc0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1167bc0) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabdaffe700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7fabd9ffd700 (LWP 1576)):
#0  0x00007fac12d91437 in g_source_iter_next (iter=iter@entry=0x7fabd9ffcaf0, source=source@entry=0x7fabd9ffcae8) at gmain.c:927
#1  0x00007fac12d93d5a in g_main_context_check (context=context@entry=0x7fabd0000990, max_priority=2147483647, fds=fds@entry=0x7fabd0002e70, n_fds=n_fds@entry=1) at gmain.c:3629
#2  0x00007fac12d94390 in g_main_context_iterate (context=context@entry=0x7fabd0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabd0000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabd00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabd9ffcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x122ed10) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x122ed10) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x122ed10) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabd9ffd700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7fabd8ffc700 (LWP 1577)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fabc4003270, timeout=<optimized out>, context=0x7fabc4000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fabc4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabc4000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabd8ffbca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x135b820) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x135b820) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x135b820) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabd8ffc700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7fabcb7ff700 (LWP 1578)):
#0  0x00007fac17ca32ed in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac0fdf6f45 in  () at /usr/lib64/nvidia/tls/libnvidia-tls.so.346.59
#2  0x00007fac12dd7d90 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7fabcb7feaa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#3  0x00007fac12dd7d90 in g_wakeup_acknowledge (wakeup=0x7fabc4002720) at gwakeup.c:210
#4  0x00007fac12d93ee4 in g_main_context_check (context=context@entry=0x7fabc0000990, max_priority=2147483647, fds=fds@entry=0x7fabc0003070, n_fds=n_fds@entry=1) at gmain.c:3600
#5  0x00007fac12d94390 in g_main_context_iterate (context=context@entry=0x7fabc0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#6  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabc0000990, may_block=1) at gmain.c:3869
#7  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabcb7feca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x145d000) at thread/qthread.cpp:503
#10 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x145d000) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x145d000) at thread/qthread_unix.cpp:337
#12 0x00007fac1668e555 in start_thread (arg=0x7fabcb7ff700) at pthread_create.c:333
#13 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fabca5f6700 (LWP 1579)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fabb80027d0, timeout=<optimized out>, context=0x7fabb8000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fabb8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabb8000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabca5f5ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x150bb90) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x150bb90) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x150bb90) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabca5f6700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fabc95f5700 (LWP 1580)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fabbc002a70, timeout=<optimized out>, context=0x7fabbc000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fabbc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fabbc000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabc95f4ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x164f760) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x164f760) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x164f760) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fabc95f5700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fabb7fff700 (LWP 1581)):
#0  0x00007ffe968e592c in  ()
#1  0x00007ffe968e5cb1 in clock_gettime ()
#2  0x00007fac17cc113d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fac18962656 in qt_gettime() (ts=0x7fabb7ffea10, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#4  0x00007fac18962656 in qt_gettime() (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#5  0x00007fac18962656 in qt_gettime() () at tools/qelapsedtimer_unix.cpp:170
#6  0x00007fac18adef79 in QTimerInfoList::updateCurrentTime() (this=this@entry=0x7fabb00030d0) at kernel/qtimerinfo_unix.cpp:84
#7  0x00007fac18adf4e5 in QTimerInfoList::timerWait(timespec&) (this=0x7fabb00030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#8  0x00007fac18ae08ce in timerSourcePrepare(GSource*, gint*) (timeout=0x7fabb7ffeae4, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#9  0x00007fac18ae08ce in timerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=timeout@entry=0x7fabb7ffeae4) at kernel/qeventdispatcher_glib.cpp:160
#10 0x00007fac12d9398d in g_main_context_prepare (context=context@entry=0x7fabb0000990, priority=priority@entry=0x7fabb7ffeb70) at gmain.c:3410
#11 0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7fabb0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#12 0x00007fac12d944fc in g_main_context_iteration (context=0x7fabb0000990, may_block=1) at gmain.c:3869
#13 0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fabb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#14 0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabb7ffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007fac188ad494 in QThread::exec() (this=this@entry=0x173e620) at thread/qthread.cpp:503
#16 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x173e620) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#17 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x173e620) at thread/qthread_unix.cpp:337
#18 0x00007fac1668e555 in start_thread (arg=0x7fabb7fff700) at pthread_create.c:333
#19 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fabb6ffe700 (LWP 1582)):
#0  0x00007fac16693530 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fac1f4c16d4 in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7fac1f7a9e80 <QTWTF::pageheap_memory>) at /usr/src/debug/qtscript-opensource-src-5.4.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fac1f4c1719 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at /usr/src/debug/qtscript-opensource-src-5.4.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fac1668e555 in start_thread (arg=0x7fabb6ffe700) at pthread_create.c:333
#4  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fabb67fd700 (LWP 1583)):
#0  0x00007fac12dd9214 in g_mutex_unlock (mutex=0x7fab28000990) at gthread-posix.c:1348
#1  0x00007fac12d9430e in g_main_context_iterate (context=context@entry=0x7fab28000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3786
#2  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab28000990, may_block=1) at gmain.c:3869
#3  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fabb67fcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x1808030) at thread/qthread.cpp:503
#6  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x1808030) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1808030) at thread/qthread_unix.cpp:337
#8  0x00007fac1668e555 in start_thread (arg=0x7fabb67fd700) at pthread_create.c:333
#9  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fab2f6a8700 (LWP 1585)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fab24002c70, timeout=<optimized out>, context=0x7fab24000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fab24000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab24000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab2f6a7ca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x1a97690) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x1a97690) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1a97690) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fab2f6a8700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fab2d560700 (LWP 1587)):
#0  0x00007fac12dd7d88 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7fab2d55fa50, __fd=41) at /usr/include/bits/unistd.h:44
#1  0x00007fac12dd7d88 in g_wakeup_acknowledge (wakeup=0x7fab1c002780) at gwakeup.c:210
#2  0x00007fac12d93ee4 in g_main_context_check (context=context@entry=0x7fab20000990, max_priority=2147483647, fds=fds@entry=0x7fab20003780, n_fds=n_fds@entry=1) at gmain.c:3600
#3  0x00007fac12d94390 in g_main_context_iterate (context=context@entry=0x7fab20000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#4  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab20000990, may_block=1) at gmain.c:3869
#5  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab2d55fc50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x1a5a590) at thread/qthread.cpp:503
#8  0x00007fac1d17eab6 in QQuickPixmapReader::run() (this=0x1a5a590) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/util/qquickpixmapcache.cpp:712
#9  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1a5a590) at thread/qthread_unix.cpp:337
#10 0x00007fac1668e555 in start_thread (arg=0x7fab2d560700) at pthread_create.c:333
#11 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fab2dd61700 (LWP 1588)):
#0  0x00007fac16693530 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fac1e0673d9 in _xcb_conn_wait (c=c@entry=0x796e50, cond=cond@entry=0x7fab2dd60080, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:427
#2  0x00007fac1e068a8f in wait_for_reply (c=c@entry=0x796e50, request=1435, e=e@entry=0x7fab2dd60150) at xcb_in.c:491
#3  0x00007fac1e068ba1 in xcb_wait_for_reply (c=c@entry=0x796e50, request=1435, e=e@entry=0x7fab2dd60150) at xcb_in.c:521
#4  0x00007fac1e4d41f7 in _XReply (dpy=0x795b70, rep=0x7fab2dd601a0, extra=0, discard=0) at xcb_io.c:602
#5  0x00007fac171088cd in  () at /usr/lib64/nvidia/libGL.so.1
#6  0x00007fac170d56ae in  () at /usr/lib64/nvidia/libGL.so.1
#7  0x00007fac0e859e97 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#8  0x00007fac0e8ac135 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#9  0x00007fac0e8b7d91 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#10 0x00007fac0e8185f6 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#11 0x00007fac0e4c7b34 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#12 0x00007fac0e5373d6 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#13 0x00007fac0e87a5a6 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#14 0x00007fac0e4bc7cf in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#15 0x00007fac0e4be6a1 in  () at /usr/lib64/nvidia/libnvidia-glcore.so.346.59
#16 0x00007fabb47ac6e6 in Plotter::render() (this=0x1e0a9d0) at ../../../../src/qmlcontrols/kquickcontrolsaddons/plotter.cpp:562
#17 0x00007fac18ab9dff in QMetaObject::activate(QObject*, int, int, void**) (a=0x7fab2dd60ad0, r=0x1e0a9d0, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#18 0x00007fac18ab9dff in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x17f04a0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3702
#19 0x00007fac18aba767 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x17f04a0, m=m@entry=0x7fac1d636c00 <QQuickWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3582
#20 0x00007fac1d2146f3 in QQuickWindow::beforeRendering() (this=this@entry=0x17f04a0) at .moc/moc_qquickwindow.cpp:461
#21 0x00007fac1d21887e in QQuickWindowPrivate::renderSceneGraph(QSize const&) (this=this@entry=0x1808f00, size=...) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/items/qquickwindow.cpp:365
#22 0x00007fac1d1ec5f1 in QSGRenderThread::syncAndRender() (this=this@entry=0x1939d80) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:582
#23 0x00007fac1d1f198c in QSGRenderThread::run() (this=0x1939d80) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:663
#24 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1939d80) at thread/qthread_unix.cpp:337
#25 0x00007fac1668e555 in start_thread (arg=0x7fab2dd61700) at pthread_create.c:333
#26 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fab19bfd700 (LWP 1590)):
#0  0x00007fac12dd9214 in g_mutex_unlock (mutex=0x7fab0c000990) at gthread-posix.c:1348
#1  0x00007fac12d93c69 in g_main_context_query (context=context@entry=0x7fab0c000990, max_priority=2147483647, timeout=timeout@entry=0x7fab19bfcb74, fds=fds@entry=0x7fab0c003270, n_fds=n_fds@entry=1) at gmain.c:3557
#2  0x00007fac12d94367 in g_main_context_iterate (context=context@entry=0x7fab0c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3790
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab0c000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab19bfcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0xd92780) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0xd92780) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0xd92780) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fab19bfd700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fab1a3fe700 (LWP 1591)):
#0  0x00007fac17ca32ed in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac0fdf6f45 in  () at /usr/lib64/nvidia/tls/libnvidia-tls.so.346.59
#2  0x00007fac12dd7d90 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7fab1a3fdaa0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#3  0x00007fac12dd7d90 in g_wakeup_acknowledge (wakeup=0x7fab20002770) at gwakeup.c:210
#4  0x00007fac12d93ee4 in g_main_context_check (context=context@entry=0x7fab14035e30, max_priority=2147483647, fds=fds@entry=0x7fab14008300, n_fds=n_fds@entry=1) at gmain.c:3600
#5  0x00007fac12d94390 in g_main_context_iterate (context=context@entry=0x7fab14035e30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#6  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab14035e30, may_block=1) at gmain.c:3869
#7  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab14005da0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab1a3fdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x23317c0) at thread/qthread.cpp:503
#10 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x23317c0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#11 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x23317c0) at thread/qthread_unix.cpp:337
#12 0x00007fac1668e555 in start_thread (arg=0x7fab1a3fe700) at pthread_create.c:333
#13 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fab10e8e700 (LWP 1592)):
#0  0x00007fac188aa6df in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x2453ef8: 0x0) at ../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007fac188aa6df in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x2453ef8: 0x0) at ../../src/corelib/thread/qgenericatomic.h:175
#2  0x00007fac188aa6df in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x2453ef8) at ../../src/corelib/thread/qbasicatomic.h:272
#3  0x00007fac188aa6df in QMutex::unlock() (current=<synthetic pointer>, this=this@entry=0x2453ef8) at thread/qmutex.h:85
#4  0x00007fac188aa6df in QMutex::unlock() (this=this@entry=0x2453ef8) at thread/qmutex.cpp:264
#5  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:138
#6  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:132
#7  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=0x2453ed0) at ../../src/corelib/thread/qthread_p.h:243
#8  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (s=0x7fab08002500, timeout=timeout@entry=0x7fab10e8dae4) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007fac12d9398d in g_main_context_prepare (context=context@entry=0x7fab08000990, priority=priority@entry=0x7fab10e8db70) at gmain.c:3410
#10 0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7fab08000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#11 0x00007fac12d944fc in g_main_context_iteration (context=0x7fab08000990, may_block=1) at gmain.c:3869
#12 0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab10e8dca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fac188ad494 in QThread::exec() (this=this@entry=0x2449fb0) at thread/qthread.cpp:503
#15 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x2449fb0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2449fb0) at thread/qthread_unix.cpp:337
#17 0x00007fac1668e555 in start_thread (arg=0x7fab10e8e700) at pthread_create.c:333
#18 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fab077ff700 (LWP 1593)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fab00002e70, timeout=<optimized out>, context=0x7fab00000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7fab00000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7fab00000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fab000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab077feca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x2542950) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x2542950) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2542950) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fab077ff700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fab067fe700 (LWP 1594)):
#0  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (s=0x7faaf80012d0, timeout=timeout@entry=0x7fab067fdae4) at kernel/qeventdispatcher_glib.cpp:255
#1  0x00007fac12d9398d in g_main_context_prepare (context=context@entry=0x7faaf8000990, priority=priority@entry=0x7fab067fdb70) at gmain.c:3410
#2  0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7faaf8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7faaf8000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faaf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab067fdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x261adb0) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x261adb0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x261adb0) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fab067fe700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fab057fd700 (LWP 1595)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7faafc003070, timeout=<optimized out>, context=0x7faafc000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7faafc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7faafc000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faafc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fab057fcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x2757e20) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x2757e20) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2757e20) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7fab057fd700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7faaf509a700 (LWP 1633)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7faaf00046c0, timeout=<optimized out>, context=0x7faaf0000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7faaf0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7faaf0000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faaf00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faaf5099c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007faaf6d27397 in KCupsConnection::run() () at /lib64/libkcupslib.so
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2b68130) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7faaf509a700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7faaeffff700 (LWP 1639)):
#0  0x00007fac16693530 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fac188b355b in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x2cbeeb0) at thread/qwaitcondition_unix.cpp:128
#2  0x00007fac188b355b in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x2cbed48, mutex=mutex@entry=0x2cbed40, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fac1d1f122e in QSGRenderThread::processEventsAndWaitForMore() (wait=true, this=0x2cbed38) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:232
#4  0x00007fac1d1f122e in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x2cbecc0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:643
#5  0x00007fac1d1f1ab3 in QSGRenderThread::run() (this=0x2cbecc0) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/quick/scenegraph/qsgthreadedrenderloop.cpp:672
#6  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2cbecc0) at thread/qthread_unix.cpp:337
#7  0x00007fac1668e555 in start_thread (arg=0x7faaeffff700) at pthread_create.c:333
#8  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7faaef7fe700 (LWP 1676)):
#0  0x00007fac17ca766d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fac12d943ec in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7faae0003070, timeout=<optimized out>, context=0x7faae0000990) at gmain.c:4103
#2  0x00007fac12d943ec in g_main_context_iterate (context=context@entry=0x7faae0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7faae0000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faae00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faaef7fdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0xe5fb40) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0xe5fb40) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0xe5fb40) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7faaef7fe700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7faaee7fd700 (LWP 1677)):
#0  0x00007fac188aa6d5 in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=0x1, _q_value=@0x2f322b8: 0x1) at ../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007fac188aa6d5 in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, _q_value=@0x2f322b8: 0x1) at ../../src/corelib/thread/qgenericatomic.h:175
#2  0x00007fac188aa6d5 in QMutex::unlock() (currentValue=<synthetic pointer>, newValue=0x0, expectedValue=<optimized out>, this=this@entry=0x2f322b8) at ../../src/corelib/thread/qbasicatomic.h:272
#3  0x00007fac188aa6d5 in QMutex::unlock() (current=<synthetic pointer>, this=this@entry=0x2f322b8) at thread/qmutex.h:85
#4  0x00007fac188aa6d5 in QMutex::unlock() (this=this@entry=0x2f322b8) at thread/qmutex.cpp:264
#5  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:138
#6  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../src/corelib/thread/qmutex.h:132
#7  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (this=0x2f32290) at ../../src/corelib/thread/qthread_p.h:243
#8  0x00007fac18ae0a81 in postEventSourcePrepare(GSource*, gint*) (s=0x7faae40012d0, timeout=timeout@entry=0x7faaee7fcae4) at kernel/qeventdispatcher_glib.cpp:254
#9  0x00007fac12d9398d in g_main_context_prepare (context=context@entry=0x7faae4000990, priority=priority@entry=0x7faaee7fcb70) at gmain.c:3410
#10 0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7faae4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#11 0x00007fac12d944fc in g_main_context_iteration (context=0x7faae4000990, may_block=1) at gmain.c:3869
#12 0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faae40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faaee7fcca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fac188ad494 in QThread::exec() (this=this@entry=0x2f31a70) at thread/qthread.cpp:503
#15 0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x2f31a70) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#16 0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x2f31a70) at thread/qthread_unix.cpp:337
#17 0x00007fac1668e555 in start_thread (arg=0x7faaee7fd700) at pthread_create.c:333
#18 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7faadffff700 (LWP 1688)):
#0  0x00007fac12d91494 in g_source_iter_next (iter=iter@entry=0x7faadfffeaf0, source=source@entry=0x7faadfffeae8) at gmain.c:927
#1  0x00007fac12d9392b in g_main_context_prepare (context=context@entry=0x7faad8000990, priority=priority@entry=0x7faadfffeb70) at gmain.c:3388
#2  0x00007fac12d9431b in g_main_context_iterate (context=context@entry=0x7faad8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3788
#3  0x00007fac12d944fc in g_main_context_iteration (context=0x7faad8000990, may_block=1) at gmain.c:3869
#4  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faad80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faadfffeca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x30a6180) at thread/qthread.cpp:503
#7  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x30a6180) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x30a6180) at thread/qthread_unix.cpp:337
#9  0x00007fac1668e555 in start_thread (arg=0x7faadffff700) at pthread_create.c:333
#10 0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faadeffe700 (LWP 1731)):
#0  0x00007fac12d93382 in g_main_context_acquire (context=0x7faad0000990) at gmain.c:3179
#1  0x00007fac12d942a5 in g_main_context_iterate (context=context@entry=0x7faad0000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3758
#2  0x00007fac12d944fc in g_main_context_iteration (context=0x7faad0000990, may_block=1) at gmain.c:3869
#3  0x00007fac18ae14eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7faad00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7faadeffdca0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fac188ad494 in QThread::exec() (this=this@entry=0x1fcd820) at thread/qthread.cpp:503
#6  0x00007fac1cb10935 in QQmlThreadPrivate::run() (this=0x1fcd820) at /usr/src/debug/qtdeclarative-opensource-src-5.4.1/src/qml/qml/ftw/qqmlthread.cpp:141
#7  0x00007fac188b245e in QThreadPrivate::start(void*) (arg=0x1fcd820) at thread/qthread_unix.cpp:337
#8  0x00007fac1668e555 in start_thread (arg=0x7faadeffe700) at pthread_create.c:333
#9  0x00007fac17cb2f3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fac1fd97900 (LWP 1388)):
[KCrash Handler]
#6  0x00007fac1981ea61 in QDBusAbstractInterface::asyncCallWithArgumentList(QString const&, QList<QVariant> const&) (this=<optimized out>) at ../../src/corelib/tools/qscopedpointer.h:135
#7  0x00007fac1981ea61 in QDBusAbstractInterface::asyncCallWithArgumentList(QString const&, QList<QVariant> const&) (p=...) at ../../src/corelib/global/qglobal.h:961
#8  0x00007fac1981ea61 in QDBusAbstractInterface::asyncCallWithArgumentList(QString const&, QList<QVariant> const&) (this=<optimized out>) at qdbusabstractinterface.h:148
#9  0x00007fac1981ea61 in QDBusAbstractInterface::asyncCallWithArgumentList(QString const&, QList<QVariant> const&) (this=0x0, method=..., args=...) at qdbusabstractinterface.cpp:501
#10 0x00007fac1ec0de10 in KScreen::GetConfigOperationPrivate::onConfigReceived(QDBusPendingCallWatcher*) () at /lib64/libKF5Screen.so.6
#11 0x00007fac18ab9dff in QMetaObject::activate(QObject*, int, int, void**) (a=0x7ffe967fdf90, r=0x31695f0, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#12 0x00007fac18ab9dff in QMetaObject::activate(QObject*, int, int, void**) (sender=0x3058810, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe967fdf90) at kernel/qobject.cpp:3702
#13 0x00007fac18aba767 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7fac19a6a6e0 <QDBusPendingCallWatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe967fdf90) at kernel/qobject.cpp:3582
#14 0x00007fac1984f9ef in QDBusPendingCallWatcher::finished(QDBusPendingCallWatcher*) (this=<optimized out>, _t1=0x3058810) at .moc/moc_qdbuspendingcall.cpp:147
#15 0x00007fac198510f5 in QDBusPendingCallWatcher::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (this=<optimized out>) at qdbuspendingcall.cpp:487
#16 0x00007fac198510f5 in QDBusPendingCallWatcher::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qdbuspendingcall.cpp:79
#17 0x00007fac18abb3f1 in QObject::event(QEvent*) (this=0x3058810, e=<optimized out>) at kernel/qobject.cpp:1245
#18 0x00007fac1a00adec in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x77d110, receiver=receiver@entry=0x3058810, e=e@entry=0x335a6e0) at kernel/qapplication.cpp:3720
#19 0x00007fac1a010370 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe967fe690, receiver=0x3058810, e=0x335a6e0) at kernel/qapplication.cpp:3503
#20 0x00007fac18a8a7fb in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffe967fe690, receiver=0x3058810, event=event@entry=0x335a6e0) at kernel/qcoreapplication.cpp:935
#21 0x00007fac18a8cf27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x335a6e0, receiver=<optimized out>) at kernel/qcoreapplication.h:228
#22 0x00007fac18a8cf27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x772d40) at kernel/qcoreapplication.cpp:1552
#23 0x00007fac18a8d458 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#24 0x00007fac18ae10c3 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x7ce670) at kernel/qeventdispatcher_glib.cpp:271
#25 0x00007fac12d940ba in g_main_context_dispatch (context=0x7fabf8001710) at gmain.c:3122
#26 0x00007fac12d940ba in g_main_context_dispatch (context=context@entry=0x7fabf8001710) at gmain.c:3737
#27 0x00007fac12d94450 in g_main_context_iterate (context=context@entry=0x7fabf8001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#28 0x00007fac12d944fc in g_main_context_iteration (context=0x7fabf8001710, may_block=1) at gmain.c:3869
#29 0x00007fac18ae14cf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7d85b0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#30 0x00007fac18a8827a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe967fe510, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#31 0x00007fac18a8fcdc in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1188
#32 0x00007fac18f9f69c in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1507
#33 0x00007fac1a007c15 in QApplication::exec() () at kernel/qapplication.cpp:2956
#34 0x000000000042eb0f in main(int, char**) (argc=2, argv=<optimized out>) at ../../shell/main.cpp:154

Reported using DrKonqi